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Finding the Fourth Proportional to 61,170.66, 84,441.42 and 37,305.90

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Solution

The fourth proportional to 61,170.66, 84,441.42 and 37,305.90 is: 51,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,170.66 : 84,441.42 = 37,305.90 : x
  2. Step 2: Convert to fraction form
    61,170.66/84,441.42 = 37,305.90/x
  3. Step 3: Cross multiply
    61,170.66x = 84,441.42 × 37,305.90
  4. Step 4: Simplify right side
    61,170.66x = 3,150,163,170.38
  5. Step 5: Solve for x
    x = 3,150,163,170.38/61,170.66
  6. Step 6: Final answer
    x = 51,497.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.